From 2488375a3508f6a29f6a5e16d25bf023c1577972 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sat, 6 Jul 2024 23:05:39 +0900
Subject: [PATCH] mruby-bigint (mpz_mod): move mpz_init() to avoid memory leak

---
 mrbgems/mruby-bigint/core/bigint.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mrbgems/mruby-bigint/core/bigint.c b/mrbgems/mruby-bigint/core/bigint.c
index ab730fab9..bb33495ef 100644
--- a/mrbgems/mruby-bigint/core/bigint.c
+++ b/mrbgems/mruby-bigint/core/bigint.c
@@ -620,11 +620,12 @@ mpz_mod(mrb_state *mrb, mpz_t *r, mpz_t *x, mpz_t *y)
 {
   mpz_t q;
   short sn = x->sn;
-  mpz_init(mrb, &q);
+
   if (x->sn == 0) {
     zero(r);
     return;
   }
+  mpz_init(mrb, &q);
   udiv(mrb, &q, r, x, y);
   r->sn = sn;
   if (uzero(r))